Anticoagulants

Medication class detail with safety cues and nursing action focus.

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CardiacHematologic / Immuneneeds review

Anticoagulants

Examples: heparin, enoxaparin, warfarin, apixaban

Mechanism

Reduces clot formation by interfering with the coagulation cascade.

Used for

  • Atrial fibrillation clot prevention
  • DVT/PE treatment
  • Mechanical valve anticoagulation for selected clients

Side effects

  • Bleeding
  • Bruising
  • Heparin-induced thrombocytopenia
  • Teratogenic risk with warfarin

Nursing actions

  • Monitor bleeding, platelet trends, and ordered coagulation labs.
  • Teach soft toothbrush/electric razor precautions.
  • Know lab pairings: heparin often aPTT, warfarin PT/INR.

Hold / question cues

  • Active bleeding
  • Very high INR/aPTT per order
  • Platelet drop with heparin

Antidote / reversal

  • protamine for heparin
  • vitamin K for warfarin
  • agent-specific reversal for selected DOACs

NCLEX pearl

  • Anticoagulants do not break clots; they help prevent growth and new clots.